[INFO] cloning repository https://github.com/kazcw/rustc-bug51796 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazcw/rustc-bug51796" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazcw%2Frustc-bug51796", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazcw%2Frustc-bug51796'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ecd8ae2eba81eef780d9ea46c0bc54d991e3323 [INFO] checking kazcw/rustc-bug51796 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazcw%2Frustc-bug51796" "/workspace/builds/worker-96/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kazcw/rustc-bug51796 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kazcw/rustc-bug51796 [INFO] finished tweaking git repo https://github.com/kazcw/rustc-bug51796 [INFO] tweaked toml for git repo https://github.com/kazcw/rustc-bug51796 written to /workspace/builds/worker-96/source/Cargo.toml [INFO] crate git repo https://github.com/kazcw/rustc-bug51796 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-96/source/c/Cargo.toml: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e8193620809f98ad8b8baf977fc1ae3d2df1dedd38eaee1c31a8c8436648cc0 [INFO] running `Command { std: "docker" "start" "-a" "9e8193620809f98ad8b8baf977fc1ae3d2df1dedd38eaee1c31a8c8436648cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e8193620809f98ad8b8baf977fc1ae3d2df1dedd38eaee1c31a8c8436648cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e8193620809f98ad8b8baf977fc1ae3d2df1dedd38eaee1c31a8c8436648cc0", kill_on_drop: false }` [INFO] [stdout] 9e8193620809f98ad8b8baf977fc1ae3d2df1dedd38eaee1c31a8c8436648cc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04c699f36c5ae644fb6cd8a9af76edf09c258952ac4e3705511f2c62f84c666c [INFO] running `Command { std: "docker" "start" "-a" "04c699f36c5ae644fb6cd8a9af76edf09c258952ac4e3705511f2c62f84c666c", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/c/Cargo.toml: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking a v0.1.0 (/opt/rustwide/workdir/a) [INFO] [stderr] Checking b v0.1.0 (/opt/rustwide/workdir/b) [INFO] [stderr] Checking c v0.1.0 (/opt/rustwide/workdir/c) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "04c699f36c5ae644fb6cd8a9af76edf09c258952ac4e3705511f2c62f84c666c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04c699f36c5ae644fb6cd8a9af76edf09c258952ac4e3705511f2c62f84c666c", kill_on_drop: false }` [INFO] [stdout] 04c699f36c5ae644fb6cd8a9af76edf09c258952ac4e3705511f2c62f84c666c